Storage of contaminated material
AssigneeGrovawa B.V.
InventorDick van Waning
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Abstract
The invention relates to the storage of contaminated material under a water layer, in particular the storage of bottom ash. The invention provides for this purpose a method for storing a contaminated material under a water layer, comprising the processing steps of supplying the contaminated material, supplying ground material, mixing the contaminated material with the ground material and arranging the mixture of contaminated material and ground material in or under a retention layer situated under a water layer, and wherein the mixture is not in contact with the water layer, and the retention layer comprises ground material. The invention also provides an installation for storing contaminated material and a composition comprising the contaminated material.
Claims8
An installation for storing a contaminated material under a water layer, comprising:
- at least one supply device for supplying the contaminated material;
- at least one supply device for supplying ground material;
- at least one mixing device configured to mix the contaminated material with the ground material;
- and
- at least one pouring device,
- wherein the pouring device comprises a substantially vertically placed conduit comprising a conveyor screw, wherein one end of the conduit is positioned above a water layer, an other end of the conduit is positioned in or beneath a retention layer, and the conduit intersects the water layer,
- wherein the mixture of contaminated material and ground material is transported through the conduit and under the water layer into or beneath the retention layer, and
- wherein the retention layer situated under the water layer comprises ground material.
Dependencies are inferred from the claim text.